avfilter: Constify all AVFilters

[ffmpeg] / libavfilter / vf_tinterlace.c

diff --git a/libavfilter/vf_tinterlace.c b/libavfilter/vf_tinterlace.c
index a77753775c955d5b1635b2b74fad80b816ece86f..40d8879871030b44c3a03ac4be2dde9a636b47e4 100644 (file)
--- a/libavfilter/vf_tinterlace.c
+++ b/libavfilter/vf_tinterlace.c
@@ -396,12 +396,12 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *picref)
         copy_picture_field(tinterlace, out->data, out->linesize,
                            (const uint8_t **)cur->data, cur->linesize,
                            inlink->format, inlink->w, inlink->h,
-                           FIELD_UPPER_AND_LOWER, 1, tinterlace->mode == MODE_MERGEX2 ? inlink->frame_count_out & 1 ? FIELD_LOWER : FIELD_UPPER : FIELD_UPPER, tinterlace->flags);
+                           FIELD_UPPER_AND_LOWER, 1, tinterlace->mode == MODE_MERGEX2 ? (1 + inlink->frame_count_out) & 1 ? FIELD_LOWER : FIELD_UPPER : FIELD_UPPER, tinterlace->flags);
         /* write even frame lines into the lower field of the new frame */
         copy_picture_field(tinterlace, out->data, out->linesize,
                            (const uint8_t **)next->data, next->linesize,
                            inlink->format, inlink->w, inlink->h,
-                           FIELD_UPPER_AND_LOWER, 1, tinterlace->mode == MODE_MERGEX2 ? inlink->frame_count_out & 1 ? FIELD_UPPER : FIELD_LOWER : FIELD_LOWER, tinterlace->flags);
+                           FIELD_UPPER_AND_LOWER, 1, tinterlace->mode == MODE_MERGEX2 ? (1 + inlink->frame_count_out) & 1 ? FIELD_UPPER : FIELD_LOWER : FIELD_LOWER, tinterlace->flags);
         if (tinterlace->mode != MODE_MERGEX2)
             av_frame_free(&tinterlace->next);
         break;
@@ -423,7 +423,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *picref)
         out->height = outlink->h;
         out->sample_aspect_ratio = av_mul_q(cur->sample_aspect_ratio, av_make_q(2, 1));
 
-        field = (1 + tinterlace->frame) & 1 ? FIELD_UPPER : FIELD_LOWER;
+        field = (1 + outlink->frame_count_in) & 1 ? FIELD_UPPER : FIELD_LOWER;
         /* copy upper and lower fields */
         copy_picture_field(tinterlace, out->data, out->linesize,
                            (const uint8_t **)cur->data, cur->linesize,
@@ -517,7 +517,6 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *picref)
 
     out->pts = av_rescale_q(out->pts, tinterlace->preout_time_base, outlink->time_base);
     ret = ff_filter_frame(outlink, out);
-    tinterlace->frame++;
 
     return ret;
 }
@@ -556,7 +555,7 @@ static const AVFilterPad tinterlace_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_vf_tinterlace = {
+const AVFilter ff_vf_tinterlace = {
     .name          = "tinterlace",
     .description   = NULL_IF_CONFIG_SMALL("Perform temporal field interlacing."),
     .priv_size     = sizeof(TInterlaceContext),
@@ -568,7 +567,7 @@ AVFilter ff_vf_tinterlace = {
 };
 
 
-AVFilter ff_vf_interlace = {
+const AVFilter ff_vf_interlace = {
     .name          = "interlace",
     .description   = NULL_IF_CONFIG_SMALL("Convert progressive video into interlaced."),
     .priv_size     = sizeof(TInterlaceContext),